BEST ANSWER:If you have 3 peace cranks they should be 9/16 if they are one piece they are 1/2 in bit being a sapient it should have a 3pc an they should work fine they are nice pedals for being plastys

BEST ANSWER:If you have 3 peace cranks they should be 9/16 if they are one piece they are 1/2 in bit being a sapient it should have a 3pc an they should work fine they are nice pedals for being plastys